Insulator with fuse.



K. PETTERSEN.

INSULATOR WITH FUSE. APPLIGATION FILED MAY 2, 1912.

Patented 131M222, 191s.

' specification.

lators for electric wires and certain novel features of construction heremeans of substance UNITED STATES PATENT our-10E;

' msULA'rdR wrrn: ruse.

'To all whom it may concern;

Be, it known that I, KRI'srIAN PETTERSEN, a subject of the King of Norway, residing at Sarpsborg, Norway, have invented certain new and useful Improvements in Insulators with Fuses; "and I do hereby declare the following to be a ,'full, clear, and exact description of the invention, able others skilled in the art, to which it appertains, to make and use the'same, reference being had to the accompanying draw-- ings, and to letters or figures of reference marked thereon,

My invention relates to fuse-plug-insu- "to consists in inafter described and claimed,

In the accompanying drawings Figure 1 is a vertical section of theinsulator with elevation of hook and Fig. 2is a sectional elevation of the insulator.

The ,body of the insulator is provided with a hole a tending upward into the head of said insu': later. The hole a as well-asi the hook d is curved between the pointse and, L The hole a 'must be sufliciently large to a low for fixing (cementing) insulator to hook by h. Tosecure an elastic connection between hook and cementing substance a feature of importance in places with rough climate the part of the hook to be inserted in hole a should be wound with ribbons and soaked with shellac. Owing to the curved shape of the fixing hook a ver good setting of the'insulator obtaine samcneither being able to turn on the hook nor to slide off.

The contact ring'i for fixing the fuse plug to the lower part of the insulator is pro Specification of Letters Patent. Application filed May 2, 1912. Saris-1N0. 694,727.

such as will enwhich form a part of this between collars b and 0 x i PatentedApr. 22,1913.

vide' dwitha tonguej,

proj' ecting I through the opening is and being connecte with the To secure a reliable fixing and a safe position of the contact-ring, said ring is prointo grooves m (or similar grooves), in the body of the insulator. To fix the contact ring the metal wedge-piece n is first placed in position with its broadestend in, and

The key fixture can be carried out difier- By my invention the following improvements are obtained: 1.. The insulat on is more: reliable I han where carried by means of an eye-bolt clamping its body. 2. The hook is simpler and there- 3The insulator can not be hook, owing to the curved 'tioned above. turned on the shape of same;

Claimszf having a hole or insulator, and ahook" substantially as described;

2. An insulator havin and having a curved ho e or recess located between the collars, and

scribed.

as my'invention, I havejsigned my name in presence of two subscribing witnesses.

KRISTIAN PETTER EN."

Witnesses M. Gu'l'ronnnsuu, N. Sonmnnrm.

"then the square metal-piece 0 is put in place.

ently and the number of noses 'Z. may be varied. 4

fore alsocheaper, than the eyebolt men-v cohce'ntric tonne a hook secured inv said hole or recess, substantially as deh;

'In testimony that l clain'i the foregoing conducting line by means of a contact screw.

videdwith one or more projections Z fitting theinsulator is j I ea 1. An insulator with" attached fuse plug recess in the body 'offthe. secured in said hole; 

